TFR98CDD: Coral-like formations of Calcite in very elongated groups that have miraculously been well-preserved, considering their delicacy and the extraction difficulties from the mine.
From the collection of carbonates from Europe of Francesco S. Stoppani.
San Giovanni Mine, Punta della Torre, Iglesias, Sud Sardegna Province, Sardinia/Sardegna  Italy

Specimen size: 14.3 × 7.7 × 5.5 cm = 5.63” × 3.03” × 2.17”